EP0373198B1 - Magnetic valve with permanent magnet closing force - Google Patents
Magnetic valve with permanent magnet closing force Download PDFInfo
- Publication number
- EP0373198B1 EP0373198B1 EP89904780A EP89904780A EP0373198B1 EP 0373198 B1 EP0373198 B1 EP 0373198B1 EP 89904780 A EP89904780 A EP 89904780A EP 89904780 A EP89904780 A EP 89904780A EP 0373198 B1 EP0373198 B1 EP 0373198B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- magnetic
- magnet
- magnetic valve
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000000696 magnetic material Substances 0.000 claims abstract description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/10—Coffee-making apparatus, in which the brewing vessel, i.e. water heating container, is placed above or in the upper part of the beverage containers i.e. brewing vessel; Drip coffee-makers with the water heating container in a higher position than the brewing vessel
- A47J31/106—Coffee-making apparatus, in which the brewing vessel, i.e. water heating container, is placed above or in the upper part of the beverage containers i.e. brewing vessel; Drip coffee-makers with the water heating container in a higher position than the brewing vessel with a valve at the water heating container outlet
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/461—Valves, e.g. drain valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
Definitions
- the present invention relates to a normally closed solenoid valve with permanent magnetic closing force, which has an electromagnet interacting with a permanent magnetic armature as a drive, the electromagnet consisting of a U-shaped, magnetizable yoke which carries a winding, and that the pivotably mounted armature consists of a Armature lever and a permanent magnet carried by this, which is located between this and the winding-carrying end of the yoke and is directed to the respective magnetic poles to these parts.
- actuating magnet as a solenoid valve is not expressly provided for in the mentioned literature reference, but such an actuating magnet would in principle be designed as a solenoid valve.
- the armature lever consists of a non-magnetizable material, preferably of 1 illustrates an embodiment of the invention which, according to the content of the claims, can also be implemented differently.
- a e.g. made of plastic liquid container 1 has an opening o in the lower region, which is kept closed by a valve cone 2, for example made of rubber.
- This cone is located on a movable magnet armature 3, which may be made of a magnetic material with corrosion-inhibiting properties, e.g. stainless steel.
- the magnet armature 3 is provided with a permagnet 4 (e.g. made of ferrite), which carries a pole plate 5, which bundles the magnetic field lines of the magnet 4 in a targeted manner.
- the magnet armature 3 together with the valve cone 2, magnet 4 and pole plate 5 can be rotated about its left extremity and is otherwise supported by stops not shown in such a way that it assumes the position shown in dashed lines in the open position of the valve. In this position, the opening o of the container 1 is exposed, so that its contents can leak.
- the magnet armature 3 has a crank between the valve cone plane or the magnet plane, so that the permanent magnet is higher than the opening or sense of this embodiment is that the leaking liquid does not wet the permanent magnet 4 together with the pole plate 5 and possibly deposits in large quantities causes that could impair the proper functioning of the valve.
- the magnet armature 3 is driven by interaction with an electromagnet which consists of a magnet yoke 6 which carries a coil 7.
- the electromagnet space is separated from the armature space by a film 8.
- the separating film 8 can consist, for example, of an adhesive tape which is attached to the container 1 via a correspondingly shaped extension f is glued on. In terms of construction, one must ensure that the ends of the magnetic yoke 6 lie in the same plane with the extension f of the container 1, so that the adhesive film 8 is in good contact.
- the thickness of the adhesive film 8, which is only a few hundredths of a millimeter, ensures that there is no larger air gap between the pole plate 5 or the magnet armature 3 and the yoke 6 and thus no large magnetic losses. If higher magnetic losses are acceptable, it is also possible to dispense with the separating film 8 and instead to design the continuation f of the container 1 as a thin dividing wall between the armature 3 and the magnetic yoke 6.
- the design of the solenoid valve also allows a manual operation if necessary by external action on the armature 3.
- the solenoid valve has the advantages of a polarized design, i.e. high energy efficiency, and the design, similar to a hinged armature magnetic circuit, is particularly simple.
- a closing spring which would be difficult to assemble in a miniaturized version and could be susceptible to corrosion, is not necessary.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein stromlos geschlossenes Magnetventil mit permanentmagnetischer Schließkraft, das einen mit einem permanentmagnetischen Anker zusammenwirkenden Elektromagneten als Antrieb hat, wobei der Elektromagnet aus einem U-förmigen, magnetisierbaren Joch besteht, das eine Wicklung trägt, und daß der schwenkbar gelagerte Anker aus einem Ankerhebel und einem von diesem getragenen Permanentmagneten besteht, der sich zwischen diesem und dem wicklungstragenden Ende des Joches befindet und mit den jeweiligen Magnetpolen zu diesen Teilen gerichtet ist.The present invention relates to a normally closed solenoid valve with permanent magnetic closing force, which has an electromagnet interacting with a permanent magnetic armature as a drive, the electromagnet consisting of a U-shaped, magnetizable yoke which carries a winding, and that the pivotably mounted armature consists of a Armature lever and a permanent magnet carried by this, which is located between this and the winding-carrying end of the yoke and is directed to the respective magnetic poles to these parts.
Aus der DE-A-3423469, Figur 5, ist ein Betätigungsmagnet mit den Merkmalen des Gattungsbegriffes bekannt.From DE-A-3423469, Figure 5, an actuating magnet with the features of the generic term is known.
In der erwähnten Literaturstelle ist die Verwendung des Betätigungsmagneten als Magnetventil nicht ausdrücklich vorgesehen, allerdings wäre ein derartiger Betätigungsmagnet prinzipiell durchaus zu einem Magnetventil auszugestalten.The use of the actuating magnet as a solenoid valve is not expressly provided for in the mentioned literature reference, but such an actuating magnet would in principle be designed as a solenoid valve.
Bei dem bekannten Betätigungsmagneten besteht der Ankerhebel aus einem nichtmagnetisierbaren Werkstoff, vorzugsweise aus Fig.1 verdeutlicht eine Ausführungsform der Erfindung, die dem Inhalt der Ansprüche gemäß auch verschieden ausgeführt werden kann.In the known actuating magnet, the armature lever consists of a non-magnetizable material, preferably of 1 illustrates an embodiment of the invention which, according to the content of the claims, can also be implemented differently.
Ein z.B. aus Kunststoff hergestellter Flüssigkeitsbehälter 1 hat im unteren Bereich eine Öffnung o, die von einen Ventilkegel 2 beispielsweise aus Gummi geschlossen gehalten wird. Dieser Kegel befindet sich auf einem beweglichen Magnetanker 3, der aus einem magnetischen Material ggf. mit korrosionshemmenden Eigenschaften, z.B. rostfreiem Stahl hergestellt ist. Der Magnetanker 3 ist mit einem Permagneten 4 (z.B. aus Ferrit) versehen, der eine Polplatten 5 trägt, welche die Magnetfeldlinien des Magneten 4 gezielt bündelt.A e.g. made of plastic liquid container 1 has an opening o in the lower region, which is kept closed by a
Der Magnetanker 3 samt Ventilkegel 2, Magnet 4 und Polplatte 5 ist um seine linke Extremität drehbar und sonst durch nicht gezeichnete Anschläge derart gelagert, daß er in der geöffneten Stellung des Ventils die gestrichelt gezeichnete Stellung einnimmt. In dieser Lage ist die Öffnung o des Behälters 1 freigelegt, sodaß dessen Inhalt auslaufen kann. Der Magnetanker 3 weist zwischen der Ventilkegelebene bzw. der Magnetebene eine Kröpfung auf, sodaß der Permanentmagnet höher liegt als die Öffnung o. Sinn dieser Ausgestaltung ist es, daß die auslaufende Flüssigkeit den Permanentmagneten 4 samt Polplatte 5 nicht benetzt und ggf. Ablagerungen in größeren Mengen bewirkt, die die einwandfreie Funktion des Ventils beeinträchtigen könnten.The
Der Antrieb des Magnetankers 3 erfolgt durch Wechselwirkung mit einem Elektromagneten, der aus einem Magnetjoch 6 besteht, das eine Spule 7 trägt.The
Der Elektromagnetraum ist vom Ankerraum durch eine Folie 8 getrennt. Diese verhindert, daß Flüssigkeitsdämpfe oder Tropfen in den Spulenraum eindringen können und so Korrosionserscheinungen oder Leckströme an den elektrischen Teilen verursachen. Die Trennfolie 8 kann z.B. aus einem Klebeband bestehen, welches über eine entsprechend geformte Fortsetzung f des Behälters 1 aufgeklebt ist. Konstruktiv muß man dafür sorgen, daß die Enden des Magnetjoches 6 in der gleichen Ebene mit dem Fortsatz f des Behälters 1 liegen, damit die Klebefolie 8 gut anliegt. Die Stärke der Klebefolie 8, die nur einige hundertstel mm beträgt, gewährleistet, daß zwischen der Polplatte 5 bzw. dem Magnetanker 3 und dem Joch 6 kein größerer Luftspalt und damit keine großen magnetischen Verluste entstehen. Wenn höhere magnetische Verluste tragbar sind, ist es auch möglich, auf die Trennfolie 8 zu verzichten und stattdessen die Fortsetzung f des Behälters 1 als dünne Trennwand zwischen dem Anker 3 und dem Magnetjoch 6 auszubilden.The electromagnet space is separated from the armature space by a
Bei entsprechender Erregung der Spule 7 entstehen an der Trennfläche zwischen dem Joch 6 und der Polplatte 5 magnetische Abstoßkräfte, also die Extremität des Joches 6 bekommt die gleiche Polarität wie die Polplatte 5. In stromlosem Zustand der Spule 7 hingegen entstehen zwischen dem Magnetjoch 6 und der Polplatte 5 Anziehungskräfte, die das Ventil schließen. Die zwischen dem Magnetjoch 6 und der Polplatte 5 wirkenden Magnetkräfte nehmen bei sich verringerndem Luftspalt zu, sodaß die Dichtungskraft im geschlossenen Zustand des Ventils maximal ist, was einer zuverlässigen Funktion zugute kommt. Der Magnetkreis schließt sich über dem waagerechten Ende des Joches 6, das parallel zu einem Teil des Magnetankers 3 verläuft. Diese Teile stehen sich mit einer verhältnismäßig großen Fläche gegenüber, sodaß die magnetischen Verluste an dieser Stelle minimal sind.With appropriate excitation of the coil 7, magnetic repulsive forces arise at the interface between the
Die Bauweise des Magnetventils gestattet außerdem, daß bei Bedarf durch äußere Einwirkung auf den Magnetanker 3 eine Handbetätigung erfolgt.The design of the solenoid valve also allows a manual operation if necessary by external action on the
Das Magnetventil hat die Vorteile einer polarisierten Ausführung, d.h. hohe Energieeffizienz, und die konstruktive Ausführung, ähnlich einem Klappankermagnetkreis, ist besonders einfach.The solenoid valve has the advantages of a polarized design, i.e. high energy efficiency, and the design, similar to a hinged armature magnetic circuit, is particularly simple.
Eine Schließfeder, die bei einer miniaturisierten Ausführung schwer zu montieren und ggf. korrosionsanfällig wäre, ist nicht notwendig.A closing spring, which would be difficult to assemble in a miniaturized version and could be susceptible to corrosion, is not necessary.
Claims (8)
- Magnetic valve, which is closed free of current and which has permanently magnetic closing force and, as drive, an electromagnet (6, 7) co-operating with a permanently magnetic armature (3), wherein the electromagnet consists of a U-shaped magnetisable yoke (6), which carries a winding (7), and wherein the pivotably mounted armature consists of an armature lever (3) and a permanent magnet (4) which is carried by this and which is disposed between this and the end of the yoke carrying the winding and is oriented with the respective magnet poles towards these parts, characterised thereby that the armature lever (3) is made from soft magnetic material and that the separating surface between the electromagnetic (6, 7) and the permanently magnetic (3, 4) parts is planar and that this plane is sealed off by a seal, which consists of a non-magnetic material and is in the form of a foil (8) or of a thin separating wall.
- Magnetic valve according to claim 1, characterised thereby that the foil (8) is self-adhesive.
- Magnetic valve according to claims 1 and 2, characterised thereby that the permanent magnet (4) carries a pole piece (5), which is fastened thereto, so that the magnet armature (3) together with magnet (4) and pole piece (5) form a unit.
- Magnetic valve according to claims 1 to 3, characterised thereby that the magnet armature (3) has an elbow, which receives the permanent magnet (4) inclusive of pole piece (5), so that the unit (3, 4, 5) has two magnet poles, north and south, which lie in one plane.
- Magnetic valve according to claims 1 to 4, characterised thereby that the magnet armature (3) carries a resilient mushroom-shaped valve cone (2) and that the armature is shaped in the manner that the valve cone lies below the plane of the pole piece (5).
- Magnetic valve according to claims 1 to 5, characterised thereby that the valve cone (2) consists of an elastomer and is constructed in the form of a mushroom, so that the foot thereof has a sufficient resilience to compensate for larger tolerances on placing of the valve cone on the valve seat.
- Magnetic valve according to claims 1 to 6 used as a discharge valve of a liquid container, characterised thereby that the valve cone (2) co-operates with an opening (o) in the lower part of the container and that the mechanically load-bearing construction of the magnetic valve with the functions of the spatial division and mounting of the magnet armature is component of the liquid container (1), which is preferably made of plastics material.
- Magnetic valve according to claims 1 to 7, characterised thereby that the magnet armature (3) and the pole piece (5) are made of soft magnetic steel with corrosion-inhibiting properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT89904780T ATE99029T1 (en) | 1988-04-28 | 1989-04-22 | SOLENOID VALVE WITH PERMANENT MAGNETIC CLOSING FORCE. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3814359 | 1988-04-28 | ||
| DE3814359A DE3814359C2 (en) | 1988-04-28 | 1988-04-28 | Solenoid valve with permanent magnetic closing force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0373198A1 EP0373198A1 (en) | 1990-06-20 |
| EP0373198B1 true EP0373198B1 (en) | 1993-12-22 |
Family
ID=6353095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89904780A Expired - Lifetime EP0373198B1 (en) | 1988-04-28 | 1989-04-22 | Magnetic valve with permanent magnet closing force |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5098062A (en) |
| EP (1) | EP0373198B1 (en) |
| JP (1) | JPH03500594A (en) |
| AU (1) | AU629547B2 (en) |
| DE (2) | DE3814359C2 (en) |
| ES (1) | ES2012424A6 (en) |
| WO (1) | WO1989010511A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127124A (en) * | 2014-08-01 | 2014-11-05 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic valve, pressure adjusting device, cooking utensil, upper cover of cooking utensil, and pressure adjusting method |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368013A (en) * | 1992-10-19 | 1994-11-29 | Herweyer; Elliot E. | Parallel piped fluid heaters with staged flow controlled by magnetic priority valves |
| DE29501228U1 (en) * | 1995-01-26 | 1995-05-04 | Timm Eberhard | Device for heating a drinkable liquid |
| US5683017A (en) * | 1996-09-13 | 1997-11-04 | Conrad; Larry M. | Electromagnetic meter |
| DE19717405A1 (en) * | 1997-04-24 | 1998-10-29 | Braunewell Markus | Electromagnetic drive |
| DE29711175U1 (en) * | 1997-06-26 | 1998-07-23 | Siemens AG, 80333 München | magnetic valve |
| US5967488A (en) * | 1998-05-29 | 1999-10-19 | Redlich; Robert Walter | Electrically actuated reed valve |
| GB2390414B (en) * | 2002-05-31 | 2005-03-30 | Camcon Ltd | Electromagnetic actuator and integrated actuator and fluid flow control valve |
| DE19915138C2 (en) * | 1999-03-26 | 2003-12-11 | Isringhausen Geb | Air-suspended vehicle seat with constant static height |
| DE20008320U1 (en) | 2000-05-09 | 2000-09-07 | H+P Labortechnik GmbH, 85764 Oberschleißheim | Solenoid valve arrangement |
| US7231870B2 (en) | 2001-05-07 | 2007-06-19 | Bunn-O-Matic Corporation | Dripless funnel assembly |
| WO2004027829A2 (en) * | 2002-09-20 | 2004-04-01 | Technotrans America, Inc. | Bistable converter in a spray dampening system |
| GB2401926B (en) * | 2003-05-23 | 2005-12-14 | Camcon Ltd | Electromagnetic actuator and integrated actuator and fluid flow control valve |
| US7527069B2 (en) * | 2006-08-28 | 2009-05-05 | Honeywell International Inc. | Electromagnetic split flapper pressure relief valve |
| DE102007004377A1 (en) | 2007-01-29 | 2008-08-07 | Diener Precision Pumps Ltd. | Electromagnetically actuated valve |
| US7699935B2 (en) * | 2008-06-19 | 2010-04-20 | Applied Materials, Inc. | Method and system for supplying a cleaning gas into a process chamber |
| DE102014115205A1 (en) * | 2014-10-20 | 2016-04-21 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Tilting tank valve for a brake of a vehicle and method for operating a tipping armature valve |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2349443A (en) * | 1941-04-25 | 1944-05-23 | Milwaukee Gas Specialty Co | Burner control apparatus |
| FR64757E (en) * | 1953-10-29 | 1955-12-02 | Regulating valve for gas burner with safety pilot | |
| US2850258A (en) * | 1955-08-03 | 1958-09-02 | Robertshaw Fulton Controls Co | Electromagnetically operated valve |
| US2947319A (en) * | 1956-12-06 | 1960-08-02 | Ford Motor Co | Water expulsion valve |
| US3089931A (en) * | 1961-10-20 | 1963-05-14 | Gen Electric | Motor operated cam contact assembly |
| US3481578A (en) * | 1966-11-05 | 1969-12-02 | Erich Herion Sen | Electromagnetic valve with axial play between the stem and permanent magnet holding means |
| US3584568A (en) * | 1969-06-20 | 1971-06-15 | Charter Design And Mfg Co | Single unit coffee maker |
| DE2037774A1 (en) * | 1970-07-30 | 1972-02-03 | Buerkert Chr | magnetic valve |
| AU435394B2 (en) * | 1971-01-21 | 1973-05-07 | Translux Corporation | Electromagnetic valve |
| US3691933A (en) * | 1971-07-06 | 1972-09-19 | Bunn O Matic Corp | Automatic coffee brewer with liquid level sensor |
| DE3312354C2 (en) * | 1983-04-06 | 1986-11-13 | Robert Krups Stiftung & Co KG, 5650 Solingen | Household appliance for making tea |
| DE3334159A1 (en) * | 1983-09-21 | 1985-04-04 | Sauer, Otto, 6800 Mannheim | MAGNETIC VALVE |
| DE3423469A1 (en) * | 1984-06-26 | 1986-01-02 | Harting Elektronik Gmbh | Monostable operating magnet |
| AU2256288A (en) * | 1988-08-15 | 1990-03-05 | Kabushiki Kaisha Kambayashi Seisakujo | Solenoid valve |
-
1988
- 1988-04-28 DE DE3814359A patent/DE3814359C2/en not_active Expired - Fee Related
-
1989
- 1989-04-22 WO PCT/DE1989/000253 patent/WO1989010511A1/en not_active Ceased
- 1989-04-22 US US07/473,939 patent/US5098062A/en not_active Expired - Fee Related
- 1989-04-22 AU AU34474/89A patent/AU629547B2/en not_active Ceased
- 1989-04-22 EP EP89904780A patent/EP0373198B1/en not_active Expired - Lifetime
- 1989-04-22 JP JP1504437A patent/JPH03500594A/en active Pending
- 1989-04-22 DE DE89904780T patent/DE58906499D1/en not_active Expired - Fee Related
- 1989-04-27 ES ES8901476A patent/ES2012424A6/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127124A (en) * | 2014-08-01 | 2014-11-05 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic valve, pressure adjusting device, cooking utensil, upper cover of cooking utensil, and pressure adjusting method |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2012424A6 (en) | 1990-03-16 |
| DE58906499D1 (en) | 1994-02-03 |
| US5098062A (en) | 1992-03-24 |
| DE3814359A1 (en) | 1989-11-09 |
| AU3447489A (en) | 1989-11-24 |
| JPH03500594A (en) | 1991-02-07 |
| WO1989010511A1 (en) | 1989-11-02 |
| DE3814359C2 (en) | 1994-04-28 |
| EP0373198A1 (en) | 1990-06-20 |
| AU629547B2 (en) | 1992-10-08 |
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